Interpersonal Exchange Model of Sexual Satisfaction Questionnaire – IEMSS
Assesses sexual and relationship satisfaction alongside the balance, expectations, and equality of sexual rewards and costs within a relationship.
Scale Development & Technical Details
Scale Overview
The Interpersonal Exchange Model of Sexual Satisfaction Questionnaire – IEMSS was developed by Kelli-An Lawrance, E. Sandra Byers, Jacqueline N. Cohen (1995). It is designed to measure Sexual Satisfaction. The scale is intended for use with Adults in relationships.
Scale Structure
This instrument consists of 16 items organized into 4 factors/subscales: Global Measure of Sexual Satisfaction (GMSEX), Global Measure of Relationship Satisfaction (GMREL), Exchanges – Rewards, Exchanges – Costs.
| Factor / Subscale | Items | N |
|---|---|---|
| Global Measure of Sexual Satisfaction (GMSEX) | 1,2,3,4,5 | 5 |
| Global Measure of Relationship Satisfaction (GMREL) | 6,7,8,9,10 | 5 |
| Exchanges – Rewards | 11,12,13 | 3 |
| Exchanges – Costs | 14,15,16 | 3 |
Response Format
Respondents rate each item using a custom response format.
Response anchors: 1 = 1 (Negative Anchor), 2 = 2, 3 = 3, 4 = 4 (Neutral / Midpoint), 5 = 5, 6 = 6, 7 = 7 (Positive Anchor).
Scoring
Items are scored by subscale, with each subscale sum representing a distinct dimension.
Total scores range from 5 to 35. Interpretation guidelines:
- Low Satisfaction (GMSEX/GMREL): 5 – 15
- Moderate Satisfaction (GMSEX/GMREL): 16 – 25
- High Satisfaction (GMSEX/GMREL): 26 – 35
Psychometric Properties
Internal Consistency: The scale has demonstrated good to excellent internal consistency with reported Cronbach’s alpha values of GMSEX alpha: .90-.96; GMREL alpha: .91-.96.
Administration
The scale is self-administered and typically takes approximately 10 minutes to complete. It can be administered individually or in group settings. No special training is required for administration.